21011196

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 51156000

約数和(自身を除く): 30144804

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 173, 174, 346, 348, 349, 519, 692, 698, 1038, 1047, 1396, 2076, 2094, 4188, 5017, 10034, 10121, 15051, 20068, 20242, 30102, 30363, 40484, 60204, 60377, 60726, 120754, 121452, 181131, 241508, 362262, 724524, 1750933, 3501866, 5252799, 7003732, 10505598, 21011196]

約数ペア:

[(1, 21011196), (2, 10505598), (3, 7003732), (4, 5252799), (6, 3501866), (12, 1750933), (29, 724524), (58, 362262), (87, 241508), (116, 181131), (173, 121452), (174, 120754), (346, 60726), (348, 60377), (349, 60204), (519, 40484), (692, 30363), (698, 30102), (1038, 20242), (1047, 20068), (1396, 15051), (2076, 10121), (2094, 10034), (4188, 5017)]